Apple iMac: Get a refurbished 20" Apple iMac. Includes: A keyboard, mouse and 12 month warranty! Processor: Powered by an Intel Core 2 Duo processor with 4GB of RAM. Operating System: Find more information on the operating system and latest version available on your product with our refurbished tech guide page. Refurbished: Choose from grade A (very good), B (good) or C (acceptable). Hard drive capacity: 250GB hard drive. Practical: Perfect for home and office use! Apple iMac Computer 20" | 4GB | Living Social